GOP Debates

Rick Perry shakes hands with Mitt Romney after the Fox News Channel debate at the Sioux City Convention Center in Sioux City, Iowa, on Thursday. The two have logged the most debate face time, according to a study from the University of Minnesota.

Rick Perry shakes hands with Mitt Romney after the Fox News Channel debate at the Sioux City Convention Center in Sioux City, Iowa, on Thursday. The two have logged the most debate face time, according to a study from the University of Minnesota. (Scott Olson/Getty Images)

Rick Perry shakes hands with Mitt Romney after the Fox News Channel debate at the Sioux City Convention Center in Sioux City, Iowa, on Thursday. The two have logged the most debate face time, according to a study from the University of Minnesota.Scott Olson/Getty Images